Herniati, Herniati, et al. “Measuring the Urgency of Notarial Deeds in Ensuring Legal Certainty of Investment Contracts in Papua: Between Normativity and Practical Reality”. Greenation International Journal of Law and Social Sciences, vol. 4, no. 4, Sept. 2026, pp. 1320-36, doi:10.38035/gijlss.v4i4.1138.